Recent content by Manbearpig1

So I'm fairly certain it isn't a carb/fuel issue as I've been into the carbs several times and I've tried the prime, on, and reserve settings on the petcock with no change. I recently picked up an electronic ignition system from offerup for $50 bucks I figure that should completely eliminate...

Thanks for the responses!! I checked the screw that holds the star plate on the shift cam last night all looked good. Another way of describing the problem is that it almost like it's hitting a rev limiter (if it had one). Just at every thousand or so RPMs it increases but only in 1st gear...

Hello, I recently purchased a 1978 Yamaha XS650 from an estate sale it appears to be pretty much stock. It was last registered in 1991 I cleaned the carbs and cleaned and adjusted the points and she fired right up. The issue I'm having is that in first gear only if I accelerate somewhat at a...